Meaning of “addict” - Learner’s Dictionary

addict

noun [ C ] uk us /ˈædɪkt/
DRUGS

B2 someone who cannot stop taking a drug:

a heroin/drug addict
INTEREST informal

someone who likes something very much and does it or has it very often:

a TV/computer game addict

(Definition of “addict” from the Cambridge Learner’s Dictionary © Cambridge University Press)